References

• Acarturk, C., Uygun, E., Ilkkursun, Z., Yurtbakan, T., Kurt, G., Adam-Troian, J., Senay, I., Bryant, R., Cuijpers, P., Kiselev, N., McDaid, D., Morina, N., Nisanci, Z., Park, A. L., Sijbrandij, M., Ventevogel, P., Fuhr, D. C. (2022). Group problem management plus (PM+) to decrease psychological distress among Syrian refugees in Turkey: a pilot randomised controlled trial. BMC Psychiatry, 22(1), 1–11. https://doi.org/10.1186/s12888-021-03645-w
   PubMed Web of Science ®Google Scholar
• Akhtar, A., Giardinelli, L., Bawaneh, A., Awwad, M., Naser, H., Whitney, C., Jordans, M.J., Sijbrandij, M., Bryant, R.A. and STRENGTHS Consortium, (2020). Group problem management plus (gPM+) in the treatment of common mental disorders in Syrian refugees in a Jordanian camp: study protocol for a randomized controlled trial. BMC Public Health, 20(1), 1–8. https://doi.org/10.1186/s12889-019-7969-5
   PubMedGoogle Scholar
• Banholzer, S., Kossin, J., & Donner, S. (2014). The impact of climate change on natural disasters. In: Singh, A., & Zommers, Z. (eds.), Reducing disaster: Early warning systems for climate change, 21–49. https://doi.org/10.1007/978-94-017-8598-3_2
   Google Scholar
• Beaglehole, B., Mulder, R. T., Frampton, C. M., Boden, J. M., Newton-Howes, G., & Bell, C. J. (2018). Psychological distress and psychiatric disorder after natural disasters: systematic review and meta-analysis. The British Journal of Psychiatry, 213(6), 716–722. https://doi.org/10.1192/bjp.2018.210
   PubMed Web of Science ®Google Scholar
• Berkowitz, S., Bryant, R., Brymer, M., Hamblen, J., Jacobs, A., Layne, C. and Watson, P. (2010). Skills for psychological recovery: Field operations guide. The National Center for PTSD & the National Child Traumatic Stress Network.
   Google Scholar
• Blevins, C. A., Weathers, F. W., Davis, M. T., Witte, T. K., & Domino, J. L. (2015). The posttraumatic stress disorder checklist for DSM-5 (PCL-5): Development and initial psychometric evaluation. Journal of traumatic stress, 28(6), 489–498. https://doi.org/10.1002/jts.22059
   PubMed Web of Science ®Google Scholar
• Cianconi, P., Betrò, S., & Janiri, L. (2020). The impact of climate change on mental health: a systematic descriptive review. Frontiers in psychiatry, 11(74), 21–49.
   PubMedGoogle Scholar
• Cowlishaw, S., Metcalf, O., Varker, T., Stone, C., Molyneaux, R., Gibbs, L., Block, K., Harms, L., MacDougall, C., Gallagher, H. C., Bryant, R., Lawrence-Wood, E., Kellett, C., O'Donnell, M., & Forbes, D. (2021). Anger dimensions and mental health following a disaster: Distribution and implications after a major bushfire. Journal of Traumatic Stress, 34(1), 46–55. https://doi.org/10.1002/jts.22616
   PubMed Web of Science ®Google Scholar
• Cowlishaw, S., O’Dwyer, C., Bowd, C., Forbes, D., O’Donnell, M. L., & Howard, A. (2022). Pandemic impacts and experiences after disaster: A compound disaster perspective. Final report produced for the National Mental Health Commission: Phoenix Australia – Centre for Posttraumatic Mental Health: Melbourne.
   Google Scholar
• Craig, P., Dieppe, P., Macintyre, S., Michie, S., Nazareth, I., & Petticrew, M. (2008) Developing and evaluating complex interventions: new guidance. Retrieved from the Medical Research Council website: https://mrcukriorg/documents/pdf/complex-interventions-guidance/.
   Google Scholar
• Cruz, R. A., Peterson, A. P., Fagan, C., Black, W., & Cooper, L. (2020). Evaluation of the Brief Adjustment Scale–6 (BASE-6): A measure of general psychological adjustment for measurement-based care. Psychological Services, 17(3), 332–342. https://doi.org/10.1037/ser0000366
   PubMed Web of Science ®Google Scholar
• de Graaff, A.M., Cuijpers, P., McDaid, D., Park, A., Woodward, A., Bryant, R.A., Fuhr, D.C., Kieft, B., Minkenberg, E. and Sijbrandij, M. (2020). Peer-provided Problem Management Plus (PM+) for adult Syrian refugees: a pilot randomised controlled trial on effectiveness and cost-effectiveness. Epidemiology and Psychiatric Sciences, 29(e162), 1–24.
   Google Scholar
• de Graaff, A. M., Cuijpers, P., Twisk, J. W. R., Kieft, B., Hunaidy, S., Elsawy, M., Gorgis, N., Bouman, T. K., Lommen, M. J. J., Acarturk, C., Bryant, R., Burchert, S., Dawson, K. S., Fuhr, D. C., Hansen, P., Jordans, M., Knaevelsrud, C., McDaid, D., Morina, N., … Sijbrandij, M. (2023). Peer-provided psychological intervention for Syrian refugees: results of a randomised controlled trial on the effectiveness of Problem Management Plus. BMJ Ment Health, 26(1), e300637. https://doi.org/10.1136/bmjment-2022-300637
   PubMedGoogle Scholar
• Djukanovic, I., Carlsson, J., & Årestedt, K. (2017). Is the Hospital Anxiety and Depression Scale (HADS) a valid measure in a general population 65–80 years old? A psychometric evaluation study. Health and quality of life outcomes, 15(1), 1–10. https://doi.org/10.1186/s12955-017-0759-9
   PubMedGoogle Scholar
• Forbes, D., Alkemade, N., Hopcraft, D., Hawthorne, G., O’Halloran, P., Elhai, J. D., McHugh, T., Bates, G., Novaco, R. W., Bryant, R., & Lewis, V. (2014). Evaluation of the Dimensions of Anger Reactions-5 (DAR-5) Scale in combat veterans with posttraumatic stress disorder. Journal of Anxiety Disorders, 28(8), 830–835. https://doi.org/10.1016/j.janxdis.2014.09.015
   PubMed Web of Science ®Google Scholar
• Gibson, K., Barnett, J., Haslam, N., & Kaplan, I. (2020). The mental health impacts of climate change: Findings from a Pacific Island atoll nation. Journal of anxiety disorders, 73, 102237.
   PubMed Web of Science ®Google Scholar
• Gibson, K., Little, J., Cowlishaw, S., Ipitoa Toromon, T., Forbes, D., & O’Donnell, M. (2021). Piloting a scalable, post-trauma psychosocial intervention in Tuvalu: the Skills for Life Adjustment and Resilience (SOLAR) program. European Journal of Psychotraumatology, 12(1), 1948253. https://doi.org/10.1080/20008198.2021.1948253
   PubMed Web of Science ®Google Scholar
• Graham, J. W. (2003). Adding missing-data-relevant variables to FIML-based structural equation models. Structural Equation Modeling, 10(1), 80–100. https://doi.org/10.1207/S15328007SEM1001_4
   Web of Science ®Google Scholar
• Hermosilla, S., Forthal, S., Sadowska, K., Magill, E. B., Watson, P., & Pike, K. M. (2023). We need to build the evidence: A systematic review of psychological first aid on mental health and well-being. Journal of Traumatic Stress, 36(1), 5–16. https://doi.org/10.1002/jts.22888
   PubMed Web of Science ®Google Scholar
• Johnson, S. U., Ulvenes, P. G., Øktedalen, T., & Hoffart, A. (2019). Psychometric properties of the general anxiety disorder 7-item (GAD-7) scale in a heterogeneous psychiatric sample. Frontiers in Psychology, 10, 1713. https://doi.org/10.3389/fpsyg.2019.01713
   PubMed Web of Science ®Google Scholar
• Jordans, M. J. D., Kohrt, B. A., Sangraula, M., Turner, E. L., Wang, X., Shrestha, P., Ghimire, R., van’t Hof, E., Bryant, R. A., Dawson, K. S., Marahatta, K., Luitel, N. P., & van Ommeren, M. (2021). Effectiveness of Group Problem Management Plus, a brief psychological intervention for adults affected by humanitarian disasters in Nepal: A cluster randomized controlled trial. PLoS Medicine, 18(6), e1003621. https://doi.org/10.1371/journal.pmed.1003621
   PubMed Web of Science ®Google Scholar
• Ko, H., Shin, J., & Cooper, L. D. (2023). Brief Adjustment Scale–6 for Measurement-Based Care: Psychometric Properties, Measurement Invariance, and Clinical Utility. Assessment, 30(5), 1623–1639. https://doi.org/10.1177/10731911221115144
   PubMed Web of Science ®Google Scholar
• Kroenke, K., Spitzer, R. L., & Williams, J. B. (2001). The PHQ-9: validity of a brief depression severity measure. Journal of General Internal Medicine, 16(9), 606–613. https://doi.org/10.1046/j.1525-1497.2001.016009606.x
   PubMed Web of Science ®Google Scholar
• Leppold, C., Gibbs, L., Block, K., Reifels, L., & Quinn, P. (2022). Public health implications of multiple disaster exposures. The Lancet Public Health, 7(3), e274–e286.
   PubMed Web of Science ®Google Scholar
• Lotzin, A., Hinrichsen, I., Kenntemich, L., Freyberg, R.-C., Lau, W., & O’Donnell, M. (2022). The SOLAR group program to promote recovery after disaster and trauma—A randomized controlled feasibility trial among German trauma survivors. Psychological trauma: theory, research, practice, and policy, 14(1), 161. https://doi.org/10.1037/tra0001105
   PubMed Web of Science ®Google Scholar
• Morin, C. M. (1993). Insomnia: psychological assessment and management. Guilford Press.
   Google Scholar
• Morin, C. M., Belleville, G., Bélanger, L., & Ivers, H. (2011). The Insomnia Severity Index: psychometric indicators to detect insomnia cases and evaluate treatment response. Sleep, 34(5), 601–608. https://doi.org/10.1093/sleep/34.5.601
   PubMed Web of Science ®Google Scholar
• National Mental Health Commission. (2022). National disaster mental health and wellbeing framework. Australia.
   Google Scholar
• O'Donnell, M.L., Lau, W., Fredrickson, J., Gibson, K., Bryant, R.A., Bisson, J., Burke, S., Busuttil, W., Coghlan, A., Creamer, M. and Gray, D. (2020). An open label pilot study of a brief psychosocial intervention for disaster and trauma survivors. Frontiers in psychiatry, 11(483), 1–12.
   PubMedGoogle Scholar
• Olff, M., Langeland, W., Draijer, N., & Gersons, B. P. (2007). Gender differences in posttraumatic stress disorder. Psychological bulletin, 133(2), 183–204. https://doi.org/10.1037/0033-2909.133.2.183
   PubMed Web of Science ®Google Scholar
• Palinkas, L. A., & Wong, M. (2020). Global climate change and mental health. Current opinion in psychology, 32, 12–16. https://doi.org/10.1016/j.copsyc.2019.06.023
   PubMed Web of Science ®Google Scholar
• Panagiotou, O. A., Contopoulos-Ioannidis, D. G., & Ioannidis, J. P. (2013). Comparative effect sizes in randomised trials from less developed and more developed countries: meta-epidemiological assessment. Bmj, 346, f707. https://doi.org/10.1136/bmj.f707
   PubMedGoogle Scholar
• Pearson, A. R., White, K. E., Nogueira, L. M., Lewis, N. A., Green, D. J., Schuldt, J. P., & Edmondson, D. (2023). Climate change and health equity: A research agenda for psychological science. American Psychologist, 78(2), 244–258. https://doi.org/10.1037/amp0001074
   PubMed Web of Science ®Google Scholar
• Rahman, A., Riaz, N., Dawson, K.S., Hamdani, S.U., Chiumento, A., Sijbrandij, M., Minhas, F., Bryant, R.A., Saeed, K., van Ommeren, M. and Farooq, S. (2016). Problem Management Plus (PM+): Pilot trial of a WHO transdiagnostic psychological intervention in conflict-affected Pakistan. World Psychiatry, 15(2), 182–183. https://doi.org/10.1002/wps.20312
   PubMed Web of Science ®Google Scholar
• Schäfer, S. K., Kunzler, A. M., Lindner, S., Broll, J., Stoll, M., Stoffers-Winterling, J., & Lieb, K. (2023). Transdiagnostic psychosocial interventions to promote mental health in forcibly displaced persons: a systematic review and meta-analysis. European Journal of Psychotraumatology, 14(2), 2196762. https://doi.org/10.1080/20008066.2023.2196762
   PubMed Web of Science ®Google Scholar
• Sijbrandij, M., Bryant, R.A., Schafer, A., Dawson, K.S., Anjuri, D., Ndogoni, L., Ulate, J., Hamdani, S.U. and Van Ommeren, M. (2016). Problem Management Plus (PM+) in the treatment of common mental disorders in women affected by gender-based violence and urban adversity in Kenya; study protocol for a randomized controlled trial. International journal of mental health systems, 10(1), 1–8. https://doi.org/10.1186/s13033-016-0075-5
   PubMedGoogle Scholar
• Spitzer, R. L., Kroenke, K., Williams, J. B., & Löwe, B. (2006). A brief measure for assessing generalized anxiety disorder: the GAD-7. Archives of internal medicine, 166(10), 1092–1097. https://doi.org/10.1001/archinte.166.10.1092
   PubMed Web of Science ®Google Scholar
• Torchiano, M. (2020). Package ‘effsize’: Efficient Effect Size Computation. Available from https://CRAN.R-project.org/package=effsize.
   Google Scholar
• Uygun, E., Ilkkursun, Z., Sijbrandij, M., Aker, A.T., Bryant, R., Cuijpers, P., Fuhr, D.C., De Graaff, A.M., De Jong, J., McDaid, D. and Morina, N. (2020). Protocol for a randomized controlled trial: peer-to-peer Group Problem Management Plus (PM+) for adult Syrian refugees in Turkey. Trials, 21(1), 1–9. https://doi.org/10.1186/s13063-020-4166-x
   PubMedGoogle Scholar
• Vernberg, E. M., Steinberg, A. M., Jacobs, A. K., Brymer, M. J., Watson, P. J., Osofsky, J. D., Layne, C. M., Pynoos, R. S., & Ruzek, J. I. (2008). Innovations in disaster mental health: Psychological first aid. Professional Psychology: Research and Practice, 39(4), 381. https://doi.org/10.1037/a0012663
   Web of Science ®Google Scholar
• Weathers, F. W., Litz, B. T., Keane, T. M., Palmieri, P. A., Marx, B. P., & Schnurr, P. P. (2013) The PTSD Checklist for DSM-5 (PCL-5). Scale available from the National Center for PTSD at www.ptsd.va.gov.
   Google Scholar
• World Health Organization. (2008). Task shifting: Global recommendations and guidelines. World Health Organization.
   Google Scholar
• World Health Organization. (2016) Problem Management Plus (PM+): Individual psychological help for adults impaired by distress in communities exposed to adversity: World Health Organization.
   Google Scholar
• Zigmond, A. S., & Snaith, R. P. (1983). The hospital anxiety and depression scale. Acta Psychiatrica Scandinavica, 67(6), 361–370. https://doi.org/10.1111/j.1600-0447.1983.tb09716.x
   PubMed Web of Science ®Google Scholar